Technical Data
The N43/600 kW is a medium-sized wind turbine with many special
features. In designing the wind turbine we have focused on high quality, reliability and
long life-time of the wind turbine, as this is what makes a project economical in the long
run.
| Rotor |
|
| Type |
3-bladed, horizontal axis, upwind |
| Rotor diameter |
43 m. |
| Swept area |
1.452 m2 |
| Power regulation |
Stall |
| RPM |
17,9 / 26,9 RPM |
| Cut-in / cut-out wind |
3-4 / 25 m/s |
| Nominal output at |
13 m/s |
| Survival wind speed |
70 m/s |
| Calculated life time of turbine |
20 years |
| Gear |
|
| Type |
Combined, 3 stage gearbox. 1-stage planetary, 2-stage
helical |
| Manufacturer |
Flender or similar |
| Nominal load |
650 kW |
| Ratio |
1:55,8 |
| Oil-quantity |
60 l. |
| Blades |
|
| Manufacturer |
LM, or similar |
| Blade length |
19,1 m. |
| Material |
Fibreglass reinforced polyester |
| Length of blade tip |
2.700 mm. |
| Lightning protection |
Included |
| Generator |
|
| Nominal power |
600 / 125 kW |
| Type |
Asynchronous, double wound |
| Synchronous speed |
1500 / 1000 RPM |
| Protection classification |
IP 54 |
| Efficiency at 75 % load |
96 % |
| Yaw system |
|
| Type |
Active yawing, hydraulically |
| Yaw control |
By windvane |
| Yaw rate |
0,86o pr. second |
| Controller |
|
| Type |
Multi-processor |
| Grid connection |
Via soft-power controller |
| Remote communication |
Included |
UPS
|
Included |
| Braking system |
|
| Aerodynamic, type |
Pivotable blade tips |
| Aerodynamic, activation |
By controller or hydraulic |
| Mechanical, type |
Active disc brakes |
| Mechanical, location |
On both high and low speed shaft |
| Number of brake calibers |
2 |
| Time to stop rotor from max. RPM |
App. 5 sec. |
| Towers |
|
| Type |
Tubular (cone-shaped) or lattice |
Tower heights
|
40, 50 or 60 m. tubular, 42 or 50 m. lattice |
Corrosion protection
|
Tubular: Sandblasted and painted with 250 my
epoxy-paint. Lattice: Hot dip galvanized. |
| Weights |
|
| Nacelle, excl. rotor and hub |
21,5 t. |
| Rotor |
14 t. |
| Gearbox |
4,5 t. |
| Generator |
3,4 t. |
| Tower, 40 / 50 / 60 m. tubular |
32 t. / 49 t. / 66 t. |
| Tower, 30 / 42 / 50 m. lattice |
28 t. / 34 t. |
| Data might change due to continuous
development |
|
